How to judge whether the vacuum pump oil exhaust filter element is a qualified product ?

To judge whether the vacuum pump oil filter element is a qualified product, you can start from the following aspects:

1. Observe the details: the surface of a qualified filter element has no obvious cracks and damages, and the material of the filter element should be uniform without obvious pores and sand holes. The appearance of the filter element is uniform in color and smooth in surface. If there is any quality problem, it is recommended not to buy.

2. Detection efficiency: The efficiency of the filter element can be screened by some laboratory detection methods. Inspection principles and procedures need to be inspected in the following two aspects: Inspect according to the specifications of the purchased filter element, especially pay attention to the uniform flow. Then, the test results are numerically compared to ensure that the filter element meets the efficiency of the international standard high-efficiency filter.

3. Choose a brand with a high reputation: check other users’ comments on the brand or filter element through the Internet, and choose a brand with a good reputation and a high reputation.

4. Choose regular channels to buy: Choose regular sales channels to buy filter elements to ensure product quality and after-sales service. To sum up, if you can judge the qualification of the filter element from the above aspects, you can buy a good filter element product.